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https://issues.apache.org/jira/browse/HDDS-3626?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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runzhiwang updated HDDS-3626:
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Description:
Datanode occupy 5.2GB physical memory, Xmx is 2200m, MaxDirectMemorySize is
800m, so there is at least 2.2GB memory occupied by RocksDB. I also track the
memory allocated in datanode, you can find RocksDB allocate 74.2% of the total
memory
!image-2020-05-20-17-07-30-542.png!
was: !image-2020-05-20-17-07-30-542.png!
> Limit the off-heap memory of RocksDB in datanode
> ------------------------------------------------
>
> Key: HDDS-3626
> URL: https://issues.apache.org/jira/browse/HDDS-3626
> Project: Hadoop Distributed Data Store
> Issue Type: Sub-task
> Reporter: runzhiwang
> Assignee: runzhiwang
> Priority: Major
> Attachments: image-2020-05-20-17-07-30-542.png
>
>
> Datanode occupy 5.2GB physical memory, Xmx is 2200m, MaxDirectMemorySize is
> 800m, so there is at least 2.2GB memory occupied by RocksDB. I also track
> the memory allocated in datanode, you can find RocksDB allocate 74.2% of the
> total memory
> !image-2020-05-20-17-07-30-542.png!
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